We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
we are facing issue of "application program" hex file generation, which is different in two machine . we are matching setting of both machine , we found the difference in...
Hi,
I've got a problem with nrfutil package on Raspberry Pi with Python 2.7.9 and pip 1.5.6 included to raspbian distribution.
I'm writing like below:
pi@raspberrypi...
Using SDK 12.1.0 with flash containing data from a previous version of software.
The pages_init function in fds.c does no have adequate protection to prevent writing to...
Hello,
I have followed a couple of the posts on the devzone on how to increase the MTU and add the DLE support such as this .
However, whenever I send over 20 bytes...
hi, i have a SIM800L Core board which is using UART protocol to communicate or to send At commands. so that i am using BLE_APP_UART example to set AT commands to SIM800L....
Trying to follow this tutorial using KEIL 5.23, J-Link 6.14b and the DK.
I am getting linking errors like this when compiling:
What did I do wrong and how can I fix...
hi,
i was looking for example of two nrf52 communication. One is central of course and other one is peripheral. But i have following doubts.
If one is central then...
What is the right way of stopping and then subsequently re-starting SAADC?
Using the saadc example, I want to be able to stop saadc when a certain pin is grounded or when...
Hi,
I just found the following example:
infocenter.nordicsemi.com/index.jsp
There the baudrate 115200 is set by default. If I calculate the bit rate (8 data bits one...
Hello,
I use two NRF24LE1 emission and reception when I use a simple ACK is good but with ACK payload, there is a problem,
I do not really see where you can help me,
Thank...
In an answer to this question about current usage of pull-ups here , RK and Vidar comment:
Is the GPIO you have configured as a pull up, being pulled down? If so you...
How to save data persistently(non-volatile) to nRF51 core not effected by powering off and on?
(How to save static data persistently without deleted when the core is turned...
Hi,
I have just used some code from your flash_write example in the SDK, it works ok but i have a couple of issues, the code is from sdk 12.7, and the chip is an nrf51422...
I have a question about using the "Radio" peripheral on the NR51422 Dongle development ki
I am putting together a fairly simple prototype device that needs to transmit...
Hello,
I started development on a NRF52832 board couple of days ago. I want to get sensor's data via SPI (with the NRF52 as a master). However I've got weird linking issue...
